The endosymbiotic theory explains the evolution of eukaryotic cells. according to the theory, ancient prokaryotes developed a symbiotic relationship with smaller prokaryotes that lived inside them. some of these smaller prokaryotes could use oxygen to make atp. these aerobic prokaryotes evolved into mitochondria. others could perform photosynthesis. these evolved into chloroplasts.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Tides that occur during the new and full moons

Which is the correct formula for photosynthesis